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В молекуле оксида бора химическая связь...
В бромиде кальция химическая связь...
1) ионная
2) ковалентная полярная
3) ковалентная неполярная
4) металлическая
Ответы 1
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вроде бы ионная, т.к. бром это неметалл
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Автор:
cindergilbert - 6 лет назад
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0
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Какое из следующих чисел является наибольшим?
[tex]1) 7,2 * 10^{-5} [/tex]
[tex]2) 1,7* 10^{-5} [/tex]
[tex]3) 2,6* 10^{-3} [/tex]
4) [tex]4) 8,8* 10^{-4 } [/tex]
Ответ дайте развернутый, почему именно это число является наибольшим.
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